1. PEDIGREE FLOWCHART YES NO YES NO If a, b and c is YES
1. DO ALL AFFECTED INDIVIDUALS HAVE AN AFFECTED PARENT?
YES NO
Final Check:
All individuals have 2 alleles (autosomal).
All X chromosomes have alleles (X-linked).
DOMINANT
RECESSIVE
Do ALL affected males have an affected mother?
Do affected fathers have ALL affected daughters?
Do affected fathers have NO affected sons?
ARE MOSTLY MALES AFFECTED?
YES NO
If a, b and c is
YES
If any questions is NO
X LINKED
AUTOSOMAL
X LINKED
AUTOSOMAL

2. ALL AFFECTED MALES HAVE AN AFFECTED MOTHER.
AFFECTED FATHERS HAVE ALL AFFECTED DAUGHTERS.
NO SONS AFFECTED.

3. = male without phenotype
= female without phenotype

4. Name ____________________ Period _____
Date __________
xlr

5. Name ____________________ Period _____
Date __________ ar

6. Name ____________________ Period _____
Date __________ ad